Two-phase heat transfer coefficients of three HFC refrigerants inside a horizontal smooth tube, part II: Condensation

X. Boissieux, M. R. Heikal, R. A. Johns

Research output: Contribution to journalArticle

Abstract

This paper presents local heat transfer results obtained during the condensation of Isceon 59, R407C and R404A in a smooth horizontal tube. The results have been compared with existing correlations for condensation heat transfer to assess the validity of these models for refrigerant mixtures. Two correlations (Dobson MK, Chato JC. Condensation in smooth horizontal tubes. Journal of Heat Transfer, Transactions of ASME 1998; 120: 193-213, Shah MM. A general correlation for heat transfer during film condensation inside pipes. Int J Heat & Mass Transfer 1979; 22: 547-56) have been considered because they deal with refrigerant blends and their range of applicability suited the experimental test conditions. The Dobson and Chato correlation provided the best prediction for these refrigerant mixtures. The Shah correlation fitted the measurements of the local heat transfer coefficients well and seem to cope well with refrigerant mixtures.

Original languageEnglish
Pages (from-to)345-352
Number of pages8
JournalInternational Journal of Refrigeration
Volume23
Issue number5
DOIs
Publication statusPublished - 1 Jan 2000

Keywords

  • Condensation
  • Heat transfer
  • Horizontal tube
  • Mass transfer
  • R407C
  • R410A

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